Word Study
uncurl
CIDE DICTIONARY
uncurl, v. t. [1st pref. un- + curl.].
To loose from curls, or ringlets; to straighten out, as anything curled or curly. [1913 Webster]
"He sheaths his paw, uncurls his angry mane." [1913 Webster]
uncurl, v. i.
To become uncurled, or straight. [1913 Webster]
For further exploring for "uncurl" in Webster Dictionary Online